GENERAL MOTORS OEM PART NUMBERS: • General Motors: 84331736
• General Motors: 84122172
SPECIFICATIONS: • Type: Alternator
• Design: Internal Regulator Internal Fan
• Voltage: 12V
• Amperage: 220 Amp
• Rotation: Clockwise
• Pulley: SD6 Six Groove Serpentine
• Pulley Type: Decoupler
• Pulley OD: 65.59mm / 2.58 in
• Case: Aluminum
• Case Circumference: 143.5mm / 5.65 in
• Mounting: Side Mount
• Mounting Foot Spacing: 138.56mm / 5.46 in
• Terminals: 2
• Ground: Negative
• Condition: New Aftermarket
CHEVROLET APPLICATIONS: • Chevrolet Express 2500 (2017-2022) — 2.8L LWN Duramax VIN 1
• Chevrolet Express 3500 (2017-2022) — 2.8L LWN Duramax VIN 1
GMC APPLICATIONS: • GMC Savana 2500 (2017-2022) — 2.8L LWN Duramax VIN 1
• GMC Savana 3500 (2017-2022) — 2.8L LWN Duramax VIN 1
CHECK THE AMPERAGE OPTION BEFORE ORDERING: • 220 Amp — Decoupler Pulley — Aluminum Case — Fits
• 150 Amp — Solid Pulley — Grey Case — Does Not Fit
• Both options were built on the same vans and years
DOES NOT FIT: • Chevrolet Express and GMC Savana 150 Amp — solid pulley unit
• Chevrolet Express and GMC Savana — 4.3L and 6.0L gas
• Chevrolet Express and GMC Savana — 6.6L gas
• Chevrolet Express and GMC Savana (2023-2026) — no diesel offered
• Chevrolet Colorado and GMC Canyon — 2.8L LWN takes another alternator
• Chevrolet Express 4500 — different chassis
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals such as Lead, Carbon Black, Silica, Crystalline which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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